When do I process a void sale and when do I process a refund?

A void sale can be processed when the sale is still in the open batch residing in the terminal. If the sale has been settled as a batch, you cannot run a void. Then, you must process a refund or a credit. The void deletes the sale from the open batch before it is settled. A refund is a financial transaction. It gives your customer her money back to reverse the sale you previously processed. The sale proceeds will go into your bank account and the credit or refund, takes that money and sends it to your customer's bank so it can be applied to their credit card balance.